Footnotes

a. Patients may undergo endoscopies which are not related to
their cancer diagnosis therefore within the measurement of this
QPI the
'initial endoscopy and biopsy' will be identified if no endoscopy
occurred within the previous year.

b.
TNM
classification is a system for staging the extent of cancer. T
describes the size of the tumour. N refers to the involvement of
the lymph nodes. M refers to the presence of metastatic
disease.